Sect leaders lure physically weak people into their cult, often with an eye to abuse them mentally or physically.

This sentence makes sense, but I would probably describe cult members as malleable or unsuspecting, rather than as physically weak.

One strategy to get themmake recruits dependent is that the leado interfere will pull up onth everything they do, and to ask them to do small 'favours' to do away with their 'sins'.

I've been rakingcombed through the fridge to find some good food for supper, but all I found was milk that has gone offsome sour milk and some odds and ends from yesterday's breakfast.

This may reflect a regional difference in usage, but "going off" usually describes an angry outburst when I use that expression.

He was roped into watching this movie with his new date and, so had to keep tighted-lipped thatabout the how he found it god-awful as, even though she loved ithe movie.

All of the parts here are good, but I am not sure how to put them together.