Solution:Oppose- to disagree with somebody's beliefs, actions or plans and to try to change or stop themUphold- to support a decision, etc. especially when other people are against it
Support- to help somebody by saying that you agree with him/her/it, and sometimes giving practical help such as money
Maintain- to make something continue at the same level, standard, etc.
Endorse- to say publicly that you give official support or agreement to a plan, statement, decision, etc.