These semicolon uses correct?

Hi. Please tell me if the following made-up sentences with semicolons are correct. I think some sentences might not make much sense. Thank you in advance.

1. You might get a chance to take them to picnics; or to serve them meals; or simply spend time with them, giving you a chance to tell them how much you cherish their friendship.

2. (remove/delete an internal comma from the above sentence and change the word "giving" to "telling.")
You might get a chance to take them to picnics; or to serve them meals; or simply spend time with them telling them how much you cherish their friendship.

3. He explains the difference between love and lust; between worship and a routine; and between
genuine manifestation of the power of prophecy and the counterfeit version of it.

4. He explains what should be the hightest priorities in our lives; how we should plan ahead; and why it is important to follow through with our beliefs.