이해관계가 · 이해관계를
interests, stake; conflicting interests
Example
이 문제는 여러 나라의 이해관계가 얽혀 있어요.
Several countries' interests are tangled up in this issue.
Word parts
이 benefit+해 harm+관 relate+계 connect
Literally 'relationship of benefit and harm'.
Good to know
Don't confuse 이해(利害) 'interests' with 이해(理解) 'understanding'; context tells them apart.