The following definitions apply in this chapter, unless the context otherwise requires:
(1) "Public servant" means:
(a) Any public officer or employee of the state or of any political subdivision thereof or of any governmental instrumentality within the state; or (b) Any person exercising the functions of any such public officer or employee; or (c) Any person participating as advisor, consultant or otherwise in performing a governmental function, but not including witnesses; or (d) Any person elected, appointed or designated to become a public servant although not yet occupying that position.
(2) "Benefit" means gain or advantage to the beneficiary or to a third person pursuant to the desire or consent of the beneficiary.