If there is a worker in the house and no one else in the house except my family, is it permissible for me to go to the mosque to pray and leave the worker alone?

The questioner : O Shaykh, sometimes a person is with his family and hires a worker on the basis that he will fix something in the house. When the time for prayer comes, is it permissible for him to leave his family and go to pray, or is the opposite correct, that he stays and leaves the mosque?

The Shaykh : ... We consider this question to be an error, unless a correction is made to what I am saying. The question should have been: Is it permissible for me to leave the worker and not take him with me to the mosque? Unless you say that he is not a Muslim? Of course, it is possible that the matter is such that he is not a Muslim, and it is possible that he is a Muslim.
We find that many Muslims have workers in their shops, and they leave the workers, who are Muslims like them, and go to the place of prayer without caring about them. This is an error, for he is responsible, as the Prophet (peace and blessings be upon him) said: As for if this worker is not a Muslim, then the matter is as Allah the Exalted said: . At that point, we can proceed directly to answering the question by saying: If this worker is outside the house, such that if his soul were to prompt him to do something wrong, or if Allah were to forgive the mistress of the house, she would do so, then if he is outside the house and cannot gain access, and if the owner of the house locks the door between him and the worker, there is no harm if he has doubt about the mistress of the house. But if he has trust in her, she locks the house from the inside and the worker is outside, then there is no harm at that time in leaving him to his work, and the owner of the house proceeds to the mosque and prays with the congregation of Muslims. In short, one must be cautious and careful so that what has not...