Pinyin initial: "r"

日 = 囗 + 一 : Robinson Crusoe (r) is hiding from the sun (日) in an enclosure (囗) full of flutes (一) in the space station's bathroom (Ø4).

人 = 丿 + ㇏ : Mnemonic symbol: Neanderthal Man (人). Robinson Crusoe (r-) is looking for snacks in the encampment's kitchen (-en2) when he suddenly spots Neanderthal Man (人). Neanderthal Man offers him a banana (丿), but Robinson Crusoe doesn't trust the present and pokes it with a finger (㇏).

亻 = 丿 + 丨 : Mnemonic symbol: Rosa Luxemburg. She's quite radical, and her name starts with "r", just like "ren2". Also, 亻appears at the left-hand side of characters, and Rosa is a leftist as well.

Robinson Crusoe (r) and Rosa Luxemburg (亻) are having their favorite snacks in the encampment's kitchen: Rosa is eating a banana (丿) and Robinson is eating a dinosaur bone (丨).

仁 = 二 + 亻 : Robinson Crusoe and Rosa Luxemburg started a demonstration against GMO just inside the encampment's kitchen. With a charged capacitor, they publicly destroy genetically modified corn kernels.

认 = 人 + 讠 : Robinson Crusoe is lost in the encampment's bathroom. He doesn't know anyone, and he doesn't recognize the environment! At first, he turns to an advertising column, but it doesn't tell him anything useful. But fortunately, Neanderthal Man comes in, instantly recognizes Robinson Crusoe, and tells him where he is.

让 = 上 + 讠 : Robinson Crusoe badly needs to use anglepod's bathroom, but currently it's under renovation. On the toilet seats there's a sign saying "上" and pointing to an advertising column, so Robinson thinks that they just want him to sit on top of the advertising column, and indeed there's a hole at the top of the column.

惹 = 心 + 若 : A wooden chicken (若) is picking at Robinson Crusoe's (r) heart (心) in the elevator (e3) and its making him furious (惹).

扰 = 尤 + 扌 : Robinson Crusoe (r) is just about to receive a medal (尤) for his life achievements in the aorta (ao3), but there is someone constantly disturbing (扰) him by bugging him with a toy claw (扌).

冉 = ⺆ + 土 : Robinson Crusoe drank too much in the anthill, so he's unable to receive the letter of dirt that he gets by snail mail. The snail wants to deliver it anyway, so she just staples it to the table next to Robinson.

冉 = ⺆ + 土 : 冉冉 means "soft" as well as "gradually", so I'll represent 冉 by snail mail.

热 = 执 + 灬 : Robinson Crusoe wants to heat himself up in the elevator's bathroom, so he burns his good-for-nothing grilling license on a grill to ignite a sizeable flame.

肉 = 冂 + 人 + 人 : Robinson Crusoe (r) and two Neanderthal Men (人人) are having a picnic in the outhouse's bathroom (ou4). They are sitting on a huge map (冂) and each of them devours a big, bloody piece of meat (肉).

仍 = 乃 + 亻 : Robinson Crusoe (r) and Rosa Luxemburg (亻) want to drive a poltergeist (乃) out of the engine's kitchen ((e)ng2), yet (仍) even after days of exquisite exorcism the poltergeist is not impressed and remains (仍) where he has ever been.

扔 = 乃 + 扌 : Robinson Crusoe (r) got a job as ghost buster in front of the engine ((e)ng1). With a toy claw (扌) he grabs the poltergeists (乃) and with a big swing throws them out (扔).

壬 = 丿 + 士 : Symbol: a cat o' nine tails. Robinson Crusoe wants to propose to the bachelor just inside the encampment's kitchen. To Robinson's despair, just as he presents his banana, a cat o' nine tails jumps between the two and eats the banana.