Hi Ozzie,
My friend Caballo Sentado who is reading again the Bible, but not the NWT, ask me to do a research of Rom 16:23 one hour ago and I came to the same conclusion than you. I was preparing a new post and saw yours. I'm giving additional information that confirm your post. Seems that this is another flaw in the JW doctrine.
... in parenthesis the STRONG numbers.
Gaius <1050> mine <3450> host <3581>, and <2532> of the whole <3650> church <1577>, saluteth <782> (5736) you <5209>. Erastus <2037> the chamberlain <3623> of the city <4172> saluteth <782> (5736) you <5209>, and <2532> Quartus <2890> a brother <80>
aspazetai <782> (5736) umav <5209> gaiov <1050> o <3588> xenov <3581> mou <3450> kai <2532> thv <3588> ekklhsiav <1577> olhv <3650> aspazetai <782> (5736) umav <5209> erastov <2037> o <3588> oikonomov <3623> thv <3588> polewv <4172> kai <2532> kouartov <2890> o <3588> adelfov <80>
3623 oikonomov oikonomos oy-kon-om-os
from 3624 and the base of 3551; TDNT-5:149,674; n m
AV-steward 8, chamberlain 1, governor 1; 10
1) the manager of household or of household affairs
1a) esp. a steward, manager, superintendent (whether free-born or as was usually the case, a freed-man or a slave) to whom the head of the house or proprietor has intrusted the management of his affairs, the care of receipts and expenditures, and the duty of dealing out the proper portion to every servant and even to the children not yet of age
1b) the manager of a farm or landed estate, an overseer
1c) the superintendent of the citys finances, the treasurer of a city (or of treasurers or quaestors of kings)
2) metaph. the apostles and other Christian teachers and bishops and overseers
Quaestor: Roman magistrate, comparable to an accountant.
The word quaestor means 'the man who asks questions'. This magistrate is first mentioned in the Laws of the Twelve Tables, although there are reports about quaestors who served under the Roman kings. Their task was to investigate murder cases - they were police inspectors. It is unclear how this function could change into a government office.
The first two quaestorian magistrates were elected in the 440's. They served as accountants and took charge of the aerarium (public treasury). Some twenty years later, their number was doubled. The new quaestors served as paymasters of the two consular armies. Two more quaestors were added in 267: they took charge of the tribute of the Italian allies. After the First Punic war, the annexation of the island of Sicily and Sardinia/Corsica led to the appointment of two additional quaestors. The number must have grown with the number of provinces. Under Sulla, there were 20 quaestors; under Julius Caesar, the Roman empire needed 40 accountants - or perhaps Caesar had discovered an easy way to give a job to his adherents.
Originally, one could not become quaestor unless one had 10 years of experience in the army. This was changed under Sulla, who stipulated a minimum age of 30 years for the questorship. The emperor Augustus lowered this age to 25 years. He also made an end to the practice to have the quaestors elected by the Comitia tributa, an assembly of the people that was divided into voting districts. The election was transferred to the Senate.
Under the empire, two of the quaestors were appointed by the emperor in person (the quaestores Augusti). They had financial tasks as well, but were also responsible for messages of the emperor. A young man who obtained this job, was expected to become a very important official. An additional task of all quaestors was the supervision of the Games. Since the aedil , praetors and consuls were also responsible for the Games, it may be suspected that the magistrates were each others rivals.
A quaestor had no bodyguard (lictor) but was allowed to wear a purple-bordered toga.
