It is important to approach this situation with care and respect for your daughter's feelings and autonomy.
Here are some steps you can take:
Communicate your concerns: It's important to express your concerns to your daughter in a calm and non-judgmental way. Try to focus on specific behaviors or qualities that make you uneasy rather than attacking the person as a whole. This can help your daughter understand where you are coming from and give her the opportunity to address your concerns.
Offer support: Let your daughter know that you are there to support her, no matter what. This can help her feel more secure and confident in making her own decisions.
Set boundaries: If your concerns are significant, it may be necessary to set boundaries around the relationship. For example, you may decide that the boyfriend is not allowed in your home or that your daughter cannot spend the night at his house. Make sure to clearly communicate these boundaries and the reasons behind them.
Seek outside help: If your concerns are significant and your daughter is not willing to listen to your concerns, it may be helpful to seek the advice of a trusted family member, friend, or therapist.
Ultimately, it is important to remember that your daughter is an adult who has the right to make her own decisions .