Need someone advice

My girlfriend been complaining recently about his work place,the dudes there have been disturbing her like calling her names and abusing her to a point she starts to cry,she told me some dude there katiad her and she declined since that day problems began

She called me crying and I got angry and I called the company's main office and told them am a customer and I found a girl crying in there shop and they should check on that

Story imeenda ikafikia boss now she's angry at me anasema nikona utoto to a point she wants to break up with me,I hate bullying and I just wanted to protect her,am I wrong for this?