>>81534248If their interests don't align with yours, you can at least acknowledge the merit behind theirs, and try to find a common ground in some broader category. One of my coworkers is really into warhammer, and I don't know shit about it, but we find common ground in worldbuilding, as I like to write. If hobbies are a lost cause, just try to bond over whatever shared motive brought you two to acquaintanceship in the first place, show your value as a worker/friend/whatever else.