A warning; see “perverted”
Dreaming about encountering a pedophile is common for people who have experienced abuse in real life.
If your dream is not related to a real-life experience, it may be a warning that an enemy will trick you. It can also mean that you are feeling vulnerable or out-of-control in a situation in your waking life.
The dream symbol you are looking for is absolutely there, try searching the symbol one by one.