How do you scare or repel alligator I saw one in the departments where I live at the woodlands tx and i and I am afraid of them and also a snake cottonmouth how i can scare or repel them?

Alligators are more scared of you then you are of them. Any loud noise like an air horn or a paint ball gun. These are both tactics that I have tried when fishing on boat in Florida. Now for the cottomouths that's a different story I haven't found a repellent for them when ever they get in the boat with us we usually smack the crap out of them with a paddle