Someone who is well calculated and a polished liar. Manipulators are usually undetectable, and some may not act for personal gain but for a larger goal. Some do not put other's in danger for the sake of the gain, but it is common that they do. A true manipulator's personality is nothing similar to the way they are seen by others, and is more often than not nonexistent.
Manipulators often are a new level of insane.
he was exhausted but as she began to manipulate his squishy penis it began to rise to a new occasion.
he said no at first but then she began to slowly but surely manipulate his feelings to turn it around