诚: Integrity and Simplicity, embodying honesty. When used in personal names, it often signifies a person's genuine sincerity, trustworthiness, and the commendable quality of keeping one's word without fail.
雨: The life-giving rain that nourishes all things.
Meaning: Sincerity and honesty, like rain, symbolize nourishment and grace, representing a person who is genuine and kind, silently nurturing like rain.