"Having a spotter" means having someone who is nearby to watch and support you while you do something dangerous or challenging, ensuring your safety and providing assistance if needed.
Sentences with «to have a spotter»
The slide handle bar allows you to start and stop the exercises in the top position, perfect for when you don't have a spotter on hand or want to mix up your workouts with new movements. (geekwrapped.com)
For safety, I recommend having a spotter on each side of the bar. (ashotofadrenaline.net)
When ready, have a spotter help you remove the weight from the rack and hold the weight over your chest. (build-muscle-and-burn-fat.com)