Servant, Retainer
The servant radical and the servant kanji are exactly the same! Just remember that the kanji also means retainer and you’ll be fine.
Retainer and servant are basically the same thing, so remembering this one shouldn’t be too hard for you.
しん, じん
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Your servant, also known as your retainer, bangs his shins (しん) all the time so you make him wear jeans (じん) to work now. He bangs his shins on all the furniture in the house, knocking over all your valuables. But at least when he’s wearing jeans it doesn’t leave bruises like it did when he wasn’t wearing pants.
Imagine your servant banging his shins on everything in your house. Hand him a pair of jeans and tell him to put them on to soften the blows.