Guys, why does he creep me on instagram?

Anonymous
This guy followed me on instagram, unfollowed me, followed me again and liked 2 of my pictures. One recent one and one older one (therefore the creeping haha). Then he unfollowed me again. Is there a purpose to this, would it be rude if i blocked him lol...
Updates:
+1 y
i've never met him, and he does this on twitter too.
Guys, why does he creep me on instagram?
5
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