?积聚者
... gasser 夸夸其谈的人 amasser 积聚者 passer过路人，考试及格者 ...
But perhaps amasser of jobs would be more accurate.
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amasser:
amass +? -er.
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。