How do you say "Self-serving" or something along those lines?

Question

I want to be able to say that someone was doing something for their own interests, not those of someone else. How would I do that?

Answer 1

I would use the adjective "interesado," meaning someone who is self-concerned or selfish. Por ej, él es interesado.

Answer 2

egoísta, ie "él/ella es muy egoísta.

Answer 3

autoconveniente

?

Answer 4

I would say egocéntrico or self-centered.