I'll Vouch for My Friend
From Arkham Horror Wiki
I'll Vouch for My Friend is a Relationship card. It first appeared in the Miskatonic Horror expansion.
Card Info
After the initial setup, each time you or your partner gains a Bank Loan, Retainer, Silver Twilight Lodge Membership, Sheldon Gang Membership, Rail Pass, or "One of the Thousand" Cult Membership, the other may choose to take a card of the same type if he does not already have one.