The phrase "different sort" means something or someone that is not like the others or is unique in some way.
Sentences with «different sort»
His tool was using common animals in a forest to explain risk, because their behaviors mimic those of different sorts of people as they face risks, or decide to ignore risks. (alephblog.com)
But if you don't mind playing a very different sort of game, then this is one worth looking into. (metacritic.com)
They might engage in different sorts of activities or cover different content, but their teachers will adjust the difficulty of the course so that students are not completely overwhelmed. (paul-bruno.com)