شاهد (اسم)
instance, affiant, witness, testator, testimonial, testifier, testate, looker on, theme, voucher, warranter
ضامن (اسم)
sponsor, guarantor, bondsman, surety, bailsman, security, guarantee, latch, depositary, voucher, warranter, warrantor
متعهد (اسم)
warranter, underwriter, undertaker, promisor, warrantor
گواه (اسم)
proof, evidence, witness, testifier, voucher, warranter