Ass-kisser -

Offering unsolicited and over-the-top compliments to the boss.

Being genuinely supportive and helpful without the ulterior motive of manipulation. ass-kisser

Offering honest insights in a respectful, private manner. ass-kisser

They rarely disagree with leadership, even when an idea is clearly flawed. ass-kisser

Frequently highlighting their own minor contributions while downplaying others to stay in the spotlight.