【groundsman】 —(also: groundskeeper) a man who maintains a playing field or the grounds of a property:

• The recent drought has meant a lot of extra work for our 【groundsman】 but he’s coped admirably and the park is looking well.

【landsman】 —(also: landman)

1. a person who lives and works on land (as opposed to seaman):

• He viewed the sea either as a 【landsman】 from the shore or, like a 【landsman】 turned sailor, amidst waves that roll and winds that blow.

2. (Petroleum Industry) land consultant responsible for obtaining permission to drill an oil well, build a pipeline, etc.:

• Her husband took a job as a 【landsman】 with an oil company, and they moved to Williston.