is character Cave (Post 44).
Poor people bend their back to bring heavy coal from small coal mine.
The small seal script for character Poor is
similar to its big seal script
The clerical script for the character is
The song typeface for traditional character Poor is
窮very similar to its clerical script
The song typeface for simplified character Poor is
穷the top is Cave, the bottom is Power of Strength (Post 168), people who live in cave and do manual labor are poor? It may be truth nowadays (simplified characters were created in 1950s).
Its Pinyin is Qiong2.