1. A Christian who isn't bothered about obeying Jesus. This is not a position which can be held. This is not a statement which can be engaged with. It is nonsense just like talking about triangular circles.
2. Someone who loves Jesus but has no time for the church he purchased with his blood. To say you love Jesus but not love his church makes as much sense as to say you are a married bachelor.
3. A non-committed Christian. No such category exists. It's nonsense. To talk about a non-committed or not a proper Christian is to group some words together which make no sense. It'd be like saying I'm a non-footballing footballer or I'm a non-acting actor.
These positions are not even things which we are open for discussion. They're not legitimate positions which can be reasoned because they are nothing more than gobbledegook and you cannot reason with gobbledegook. You cannot be a married bachelor. You cannot reach a compromise position with someone who thinks they are a married bachelor (well maybe you are on weekends?). You cannot have a discussion about the position of married bachelors in the universe. The only solution is for them to stop talking rubbish and own up to what they really are 'married' or 'bachelor'.
Christians are people who long to obey Jesus, who love his church and who are committed to him above all else. You cannot claim to be something which is mutually exclusive - so are you a Christian who wants to obey Jesus or are you not a Christian who has no desire to obey Jesus? We need to stop creating nonsense phrases and start making sense and then maybe we can start talking and actually get somewhere.