• Act as (someone's) consoler
• Act as (someone's) procuress
• Act as (someone's) redactor
• Act as (someone)'s cipherer
• Act as (something)
• Act as a benefactress
• Act as a conciliator
• Act as a demarcator
• Act as a deterrent
• Act as a go-between
• Act as a life-saver
• Act as a lifesaver
• Act as a linchpin
• Act as a mentor
• Act as a middleman
• Act as a procurer
• Act as a reconciler
• Act as a reconstructor
• Act as a refuter
• Act as a seconder