self-seeker

Từ điển WordNet v3.1 - WordNet Dictionary

noun

a person who places expediency above principle
• Syn:
opportunist
• Derivationally related forms:
opportunist (for: opportunist), opportunism (for: opportunist)
• Hypernyms:
selfish person
• Hyponyms:
backscratcher, bottom feeder, carpetbagger, hustler, wheeler dealer,
operator, timeserver