Outgoing company and company along with until return, if applicable

Outside company to single or married woman; if applicable:
Is person mahroom to nikah subject to accidental marriage risk, who is not allowed to be married to with but can outside company, for man to woman outside company is family person or relative or person has been introduced mahrum to self and family.
Now how to make a person alternatively introduced as mahrom for outgoing company to meeting conference academy shop etc,
just let any person to allow to enter to your living room, coz only mahroom is allowed to enter women personal living room.