1. 密谋者：intricately 复杂地 | intriguer 密谋者 | intrinsical 原有的

2. 密谋者,私通者,阴谋者：leaguer 同盟者 | intriguer 密谋者,私通者,阴谋者 | cataloguer 编目人,编目员

noun

1. a person who devises plots or intrigues

    e.g. he is believed to be the principal designer of the terrorist bombing attack

    Synonym: designer