Drilling is a common activity that involves making holes in hard surfaces using specialized equipment. The person who operates this drilling equipment is called a driller. However, there are several synonyms for the word driller that are used in different contexts. For example, in the construction industry where drilling is a common activity, a driller may be referred to as a borehole driller, holer, or auger operator. In the mining industry, a driller may be referred to as a drill operator or rock driller. In the oil and gas industry, the term drilling rig operator is commonly used to refer to a driller. These synonyms for driller help to create a clear understanding of who is responsible for drilling activities in different industries.