During meetings, Tomas has a habit of disagreeing with any point someone is trying to make. It seems clear that Tomas enjoys being the center of attention during these disputes and that he’s only objecting so that the attention turns to him. Tomas appears to be a(n) ______ in terms of the types of problem members in a meeting.
Thomas disturbs meetings with a lot of talking in a forcing way and disputing. The both words disputant and arguer well describes the Thomas' behavior.