Numbers 7:18 Kabbalah

בַּיּוֹם֙ הַשֵּׁנִ֔י הִקְרִ֖יב נְתַנְאֵ֣ל בֶּן־צוּעָ֑ר נְשִׂ֖יא יִשָּׂשכָֽר׃

On the second day Nethanel the son of Zuar, prince of Issachar, did offer:

Read kabbalistic (mystical) interpretation of Numbers 7:18: and classical mystical sources.