拥护

We support those who help maintain peace.

supporter

be endorsed/supported

lose sb's support

be strongly backed

drum up support (for)

support a government

support a political party

espouse/support a policy

stand up for the truth

uphold the constitution

stand up for/espouse/uphold/champion the cause (of)

support the leadership (of)

support the motion; uphold the decision

endorse the decision

be in favour of the reform; be a supporter of the cause of reform