Earnest - but sexual acts + lack of repentance = disfellowshipping. Case closed.
To be more precise - certain sexual acts as defined by the GB or determined as qualifying for df by at least 2 of 3 Elders plus the lack of repentance as judged by at least 2 of 3 Elders or the confession of the JW may or may not result in disfellowshipping as determined by 2 of 3 Elders, depending on the seriousness of the act/s, circumstances, number of occurances, how many are aware of the act/s, the feelings of the Elders and many other considerations.