particle, adverb
something like; things like; someone like; the likes of
Often used with a scornful or dismissive tone, belittling the following noun or implying it is not worth much. Functions as a particle or adverb.
あんなやつなんか、相手にするな。
Don't bother with the likes of him.
お金なんか、どうでもいい。
Money or whatever, I don't care.
勉強なんかしたくない。
I don't want to do stuff like studying.