Laws regarding relationships, pregnancy, and family matters can vary significantly depending on the country and state/province involved. It's essential to consult with a legal professional familiar with the specific laws in your jurisdiction for accurate advice.
In general, if the 21-year-old woman has made it clear that she does not want to live with the 50-year-old man or be in a romantic relationship with him, her decision to have the baby does not necessarily create a legal obligation for them to live together or be in a relationship. Parental rights and responsibilities are often separate from romantic relationships.
The law usually focuses on protecting the rights and best interests of the child. This includes issues related to custody, visitation rights, and child support. If the man is the biological father of the child, he may have rights and responsibilities as a parent, even if he and the mother are not in a romantic relationship.
In many jurisdictions, the man may seek legal recognition as the child's father and may be entitled to visitation rights and, in some cases, custody rights. At the same time, the woman may be able to seek child support from the father to help with the child's expenses.
It's crucial for both parties to communicate openly and honestly about their intentions and expectations regarding parenting and the child's future. If there are disagreements or concerns about legal rights and responsibilities, consulting a family lawyer can help clarify the options and rights of both parties and ensure the child's well-being is protected.
Again, please consult with a legal professional to get advice specific to your situation and jurisdiction. Family laws can be complex and can vary significantly depending on where you live.