#partner  a person who is a member of a partnership
  supertype:  person__individual__someone__somebody__mortal__human__human_being__humanbeing__soul  a human being; "there was too much for one person to do"
  subtype:  copartner  silent_partner
  member of:  partnership  the members of a business venture created by contract

No statement uses or specializes partner; click here to add one.