Hello, I am new to this forum because I am at a loss.
For several months now, my daughter Lena (8 years old) has been coming home crying frequently and telling me that her classmates are teasing her and excluding her. I don't know what to do. On the one hand, I want to help my daughter, of course, but on the other hand, I don't know if it's wise to approach the other kids' parents about it.

I don't even understand what the trigger was. In first grade, Lena was doing great and made friends quickly. But since the summer vacations, something has changed and she says that her former friends suddenly don't want anything to do with her and make fun of her. She has told of a new girl in her class who seems to be turning the others...

I took a new job two months ago, as an assistant in a communications department. I feel so uncomfortable that I'm thinking about quitting. But maybe I'm just overreacting?
My three colleagues are a well-coordinated team. I feel very left out because they never include me in their meetings. They make me feel like I don't belong at all. Although I do my best to always get everything done right and quickly, my work is not appreciated. Instead, I regularly get biting comments when I make even a small mistake.
They also often make fun of my clothing style. I can't afford designer clothes like they can, and I often wear older clothes because I have to save money for personal reasons. When I come into the office, my colleague often greets...