When someone who has difficulty speaking for themselves, has a mental illness/disability or is under the influence of alcohol or drugs gets pushed to have sex or get their money manipulated out of them from a predator. It could also mean when a person is in turmoil and a predator targets their need for companionship to abuse, steal from or rape them.
Jamy is autistic and a guy manipulated her to have sex even if she didnt want to and was taking advantage of vulnerability.