柱 is a Japanese kanji written with 9 strokes, listed here under the keyword “pillar”. It is built from 木 (tree) and 主 (lord). In Remembering the Kanji by James W. Heisig it is frame 286.
On KumiJi Glyph Explorer, open the parts search and type “tree” + “lord”. 柱 is among the results, together with every other character containing the same shapes.
Open 柱 in the interactive kanji search
to expand every part down to its smallest pieces, add your own names and mnemonic stories,
or search for other characters by their parts.