noun
person with differing ideology or attitudes; someone not on the same wavelength
Slang term used to refer to a person whose beliefs, values, or lifestyle differ from one's own, often with a distancing or dismissive nuance. Compare with あっち系, which can refer to a homosexual person.
See also: あっち系
彼はそっち系の人だから、話が合わない。
He's one of those people with different views, so we don't get along.
あのグループはそっち系の
That group is a gathering of people with that kind of ideology.