Traditionally, the radical 58 has the meaning: pig's head, or pig's snout. The trainer always uses it as “hand”, i.e. as a variant of , which shows a hand with the fingers pointing to the left. This often appears to be etymologically justified.
If this person 人 is bending a leg, it becomes this radical. (Further radicals with „person“ are: sitting 匕 sitting cross-legged 夂, lying , skilled 才, bending マ,卩, slumped 㔾 or husband 夫)
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/彐, heart 心
, skilled 
