Translation:You do not live in the city of Savannah, Bob.
Well, I've answered your question in the other sentence. But anyway, it is indeed a male and female issue. However, there is a tricky part.
The trick is: The present tense verb for 2nd male person, and 3rd female person, both start with (T). Thus, the sentence must have something to indicate about what are we talking about. Here, we are talking to a person called Bob, so it's a 2nd male person and the correct verb is تسكن (taskun) - Lá لا is just the negative article. Suppose it's a 2nd FEMALE person, then we would use تسكنين (taskunín).
Meanwhile, if we look at the 3rd persons, to a male it would be يسكن (yaskun) and to a female it would be تسكن (taskun).