> I can't complain to my manager as he's a friend of my manager and I am junior and new in this company! There is a wide range of discussions with your manager

> I can't complain to my manager as he's a friend of my manager and I am junior and new in this company! There is a wide range of discussions with your manager about another employee between work dynamic and friend bashing. It's initially concerning that you are unaware of this, but it is part of learned working in a political environment. You want to objectively present one objective thing to your manager about your troublesome colleague at a time. This is the opposite of saying that you want the troublesome colleague fired and more asking that your manager find a way to coach him and you to work together, and specifically, to look out for your trouble situations. I'd start with "senior colleague is making manager type demands or judgements from me and I need direction on how to prioritize your [manager's] requests over his." The next 1:1 I'd bring up, we had a disagreement about x logical piece, and went with x, my idea had merit, how can I help push my idea forward next time.