Rights of bankruptcy trustee confirm authority to hold estate property, contract, sue, employ and execute instruments. Section 151 empowers the bankruptcy trustee, in his official name, to hold property of every description, make contracts, sue and be sued, enter into engagements in respect of the bankrupt's estate, employ persons to assist him, execute powers of attorney, deeds or other instruments, and do any other act necessary or expedient for exercising his rights concerning the estate.