A guardianship for a minor is a person will place in their Last Will and Testament or in a trust they will put who they should act as guardians for this minor. A guardianship for a minor can also be if the person who is a minor has inherited more than $15,000. They need a guardianship set up in which to make sure that this account is not taken by a person and is protected if they have inherited a large sum of money, or if their parents have been deceased and it states in the Last Will and Testament who should take care of this minor.