The official was convicted for his venal conduct in office.

venal 是形容词，来自拉丁语 venalis（可出售的），词根 ven- 与"出售"相关。在现代英语中特指"为金钱可以出卖原则或职权的"，常用来形容官员"贪污受贿的"或"可收买的"。