Here we go....
Of course, the answers to most, if not all, of these have changed considerably over the years thanks to the NewLight Torch of (UN)Ambiguity and I don't think there are many that could really answer these without reference to the latest guide books.
1. Was Jesus’ 2nd coming in 1914?
No. There is no such thing as a second coming. Jesus' presence (parousia) started in 1914 when he was enthroned as king.
2. Is Jesus’ 2nd (parousia) presence the same thing as his ‘coming?’
No. His coming will be future at the big A.
3. Is the doctrine of the ‘faithful and discreet slave’ still regarded as a prophecy instead of a parable?
It's a parable within the prophecy of the last days.
4. Were the FDS appointed over ‘all His belongings’ in 1919?
No. They were but now that's future.
5. Did the Gentile Times end in 1914, or is that yet to come at a future date?
Yes
6. Is the ‘great tribulation’ in the past, the present, or yet to come in the future?
Future, when Babylon the Great is attacked by the nations
7. Did Jesus die in order to save the ‘Great Crowd’?
Yes, His death enables the anointed to achieve a righteous standing to become joint heirs and the GC get to have a righteous standing by exercising faith in his shed blood as well. The WTS consistently differentiate between the 144000 and GC however, for example noting he is "saviour of this body" (Eph 5:23) - the anointed congregation and secondly, those of the GC that exercise faith in him.
8. If the Bible was only written for the anointed, why should non-anointed bother to read it?
Because all can benefit from Jesus death and the new world.
9. Was Charles Taze Russell a member of the anointed 144,000? If so, since what date?
Yes. Who knows when that blessing was conferred on him. He is no longer considered part of the F&DS as they were only appointed in 1919 and he was already dead by then.
Did I get it? You did say current teachings....