KANJI GUIDE
A flower. 花見 is going to look at cherry blossom; 花火 is fireworks — fire flowers.
Half of 瑠璃, the deep blue stone. On its own it is used mostly for its sound and its colour.
A younger brother, and anyone junior to you. In 弟子 it means a disciple.
Both kana for this sound — な and ナ — were made from 奈. And Japan has written foreign names with it for centuries: 加奈陀 is Canada. Yours is in good company.
Long life, and the celebration of it. The character on wedding envelopes and New Year food.