A skater, at times, is someone who participates in the sport of ice skating or roller skating. This person can be a recreational skater, a competitive figure skater, or a professional roller skater. The term 'lacer' is an alternate spelling of the word 'LACERATE, ' which means to tear or cut the skin. Therefore, a skater, at times, can be someone who has suffered a laceration due to their participation in the sport.