creeper
Definitions
A plant that grows along the ground, around another plant, or up a wall by means of extending stems or tendrils.
A person or thing that creeps or moves stealthily.
A person whose behavior is considered socially awkward, predatory, or unsettling.
Examples
The ivy is a fast-growing creeper that has completely covered the garden wall.
Be careful when exploring the dark cave, as a creeper might be lurking around the corner.
The mechanic used a creeper to slide easily underneath the car for repairs.