There is a setting in the TeamRaiser that allows members of a team to share each others contacts.
  • Go to Fundraising > TeamRaiser.
  • Find and Edit the desired event.
  • Choose 3. Select Event Options from the left-hand panel.
  • Scroll down to Related Actions on the left-hand panel and click Edit Advacned Options.
  • Select d. Define Misc Options on the left.
  • Make your desired change to 1. Current Team Members Visible in Address Book and Team Roster of Participant.