1. If the brown-noser is bringing the team’s morale down, try offering praise and agreement to the brown noser, as it may decrease their need for constant approval from the boss and give them reassurances that they are a necessary part of the team.
2. I think my faith as a Muslim is very important.
One of the core values is that you are always trying to build consensus.
So when it comes to figuring out if something is permissible or not in Islam, it's usually a discussion, and people have to come to a consensus in order for something to be approved.