Neither the city, its officers, agents or employees, shall be liable in any way to the trusties, or otherwise, for any damages whatsoever which may, directly or indirectly, arise out of work or service which may be performed by trusties; in consideration of the advantages and privileges to be obtained by being a trusty, all trusties shall be required to sign a complete waiver and release, setting forth the nonliability of the city, or have their duties, rights and privileges as a trusty revoked.
(1953 Code, ch. 1, ยง 11)