What is the meaning of “remind someone of something”?
The phrase 'remind of' is a very common phrasal verb used in English. Basically, it means to cause someone to remind them of someone or something that is similar or linked together. Ex: The new boy band reminds me of BTS. In this context, it is used similar to 'bring to notice' or 'call attention'. Shere Khan is bringing to notice how dangerous humans can be when they grow up.