someone who swings sports implements
"The young swinger practiced his form by rhythmically swinging the golf club before his lesson."
One who swings.
"The young swinger was eager to try out the new playground equipment after school."
One who swinges.
The word swinger is formed by adding the suffix "-er" to the verb swing. It originally referred to someone who swings or moves back and forth before taking on its modern meanings related to recreational activities.