A willing participant is someone who is actively involved in a situation and has given their consent. A TESTATOR is someone who has written and executed a will, which is a legal document that outlines how their assets should be distributed upon their death. An EXECUTOR is the person appointed by the TESTATOR to carry out the instructions of the will. An HEIR is the person who is legally entitled to receive the assets of the deceased. A consenting adult is an individual who is legally allowed to make decisions for themselves and has given their consent to participate in a particular activity.