code: func (m *Manager) isDirectOwner(globalID, username string) (isowner bool, err error) {
  	matches, err := m.collection.Find(bson.M{"globalid": globalID, "owners": username}).Count()
  	isowner = (matches > 0)
  	return
  }
docs: //isDirectOwner checks if a specific user is in the owners list of an organization