她总是在为她不方便外出的祖母跑前跑后。

She was forever running errands for her housebound grandmother.

同是艾滋病毒感染者、身体状况也不甚好的小杨会陪着郭先生去医院检查，跑前跑后帮忙办手续。

With are living with HIV, not very good physical condition will accompany Mr. Guo Xiao Yang to go to the hospital to check, before running for help after running the formalities.

诱导者是这个聚会的策划人，或者是某个婚礼的组织者，跑前跑后地抓一些细节工作；为活动撰写流程；并且能站在旁观者的角度对活动有所监督。 相对应的聚会主持人就不一样了，他/她是站在参与者的角度。

A facilitator is like a party planner, or a wedding organizer, running around taking care of details, scripting the event and staying outside of the experience.