expiate (en)

atone for (guilt or sin)

impecunious (en)

(adjective) having very little or no money usually habitually; penniless

parvenu (en)

(noun) one that has recently or suddenly risen to an unaccustomed position of wealth or power and has not yet gained the prestige, dignity, or manner associated with it

sacerdotal (en)

(adjective) of or relating to priests or a priesthood; priestly / (adjective) of, relating to, or suggesting sacerdotalism

sedulous (en)

(adjective) involving or accomplished with careful perseverance / (adjective) diligent in application or pursuit

stolid (en)

calm, dependable, and showing little emotion or animation