yes-man
US /ˈjes.mæn/
UK /ˈjes.mæn/

1.
homme-oui, flagorneur
a person who agrees with everything that someone else says, especially someone in authority, because they want to please them
:
•
The boss doesn't want a yes-man; he wants someone who can offer new ideas.
Le patron ne veut pas un homme-oui; il veut quelqu'un qui peut offrir de nouvelles idées.
•
She was tired of being surrounded by yes-men who never challenged her decisions.
Elle en avait marre d'être entourée de yes-men qui ne contestaient jamais ses décisions.