Aberdeen Trades Union Council sent solidarity to Unite members from Shelter Scotland as delegates joined their picket line in Aberdeen.
Shelter members were part of a national strike of Shelter members, for a decent pay rise.
Members have rejected a 3% pay offer which amounts to a huge pay cut. Shelter staff say they are struggling to afford basic necessities on their wages, with some fearful that they themselves could be made homeless without better pay.
They will take strike action over the next two weeks to force management back round the negotiating table with an improved offer.