I’m facing the same issue but with someone higher up. I think I’ll speak to my boss soon about it.
Just focus on your job.
Considering the pay, it might not be worth caring so much.
Focus on your salary and enjoy life instead.
It’s not your responsibility.
Not your place to be concerned about his performance, so don’t make it personal.
Start with a direct conversation with him.
Consider an informal chat over drinks to see if there’s anything bothering him outside work.
You’re in a tricky position. Focus on maintaining quality in your own work and proper documentation. If it doesn’t change, consider moving to management.
Instead of making it personal, aim for collaborative discussions about improvement strategies with the team.
Sounds like a skills issue.