袭人
[xí rén]
'Xi Ren' directly translates as 'sudden visitor.' It could be referring to an uninvited guest making unexpected changes. However, note that '袭人' also refers to 'Xiren' - a female servant in classic novel Dream of the Red Chamber. Her character is gentle, meticulous and considerate, this online name could mean admiration to such virtues in XiRen.