There is nothing better than teaching the true islam to ummah... The behavior of some tj's may be different at home.. but in jamaths where the work is required.. they do alot.. like building mosque's, feeding the people in villages, explaining to drunker people and what not.. These are just few deeds which I personally witnessed and involved whilst in jamath 1. Some people took us to a drunk person.. the moulana was talking to him and he was falling on moulana 2. Donated amount and constructed a small masjid in a tribal village.. 3. Gave dinner to many people in a remote village.. after eating they said that they have never ate such food in their life.. And for those who are in jamaths normally.. it is a routine deed most of the time (in remote villages, it almost 3 times a day) to feed someone needy in masjid along with the jamath. What to make a big deal out of it ? If you just feel that by telling to other's what you have done, you are a real muslim.. then let it be