noun
fieldman
A person who works in the field, such as a sales representative, agricultural advisor, or surveyor, often traveling to meet clients or inspect sites.
彼は農業資材のフィールドマンとして全国を回っている。
He travels all over the country as a fieldman for agricultural materials.
営業マン is a general salesperson, while フィールドマン specifically works outside the office, often in a technical or advisory role.
Borrowed from English 'fieldman', a compound of 'field' and 'man'.