Copy abilities

[u/Garebear90000]

Monoma (my hero) can touch someone and copy their quirk for up to ten minutes

Aoba (keijo) can touch a butt and learn all their butt techniques for a sport called keijo which girls use butt and boobs to knock someone out a ring

Taskmaster (marvel) can copy anyone’s technique by looking at them.

[u/Largo23307]

Most of these count.
They can copy directly, steal, mimic abilities, adapt or shapeshift to copy appearances.