" observe his inclination is yourself " (II.I.78) When he is telling renaldo to keep an eye on his son, because he cares about him and is protective over him. As when zazu does that for the king when he watches simba and nala for him, but you can see how protective he his when he goes and gets the king because he knows that they are in danger. The main person they both are protective over is the people the have the responsibility of watching over. With zazu that it simba and nala, with polonius it is Ophelia and laertes. As he said to him "there my blessing with thee/and these few precepts in thy memory/look thou character give my thoughts no tongue,/nor any unprotected thoughts in this act" (I.III.61-64). In English he's saying to laertes, don't do anything stupid and try to think before you act. You can really see that he cared about his son and he was worried about him when going off to France, as every father figure should. Zazu has that father figure responsibility as polonius does, you notice that when he is in the cage screaming "let me out let me out" when the lions reclaim pride rock. He wanted to help them no matter the consequences because he cares about them over himself. Both of them as a protective father figure should be, watching them and being nosey and