不害怕因为身后有拥抱之人不胆怯因为身前有深爱之人
[bù hài pà yīn wéi shēn hòu yŏu yōng bào zhī rén bù dăn qiè yīn wéi shēn qián yŏu shēn ài zhī rén]
This username means 'Not afraid because someone hugs me from behind, not afraid because someone I deeply love stands before me.' It describes a sense of security when accompanied by a person one loves.