Literature Reference: Ask about the flowers and moon of the old capital, who would know the sorrow of the exiled by the Xiang River? From 'Seeing Off Taoist Wang to the Capital'.
迁: Promotion, in the context of names, often signifies an improvement in one's circumstances or an elevation in one's official position.
客: Politician, knight-errant.
Meaning: A wanderer in exile, carrying the sorrow of separation and longing for home.