Demarcate: mark out
Investor: a person who puts money into something in order to make a profit or get an advantage
Beneficiary: a person or group who receives money, advantages, etc. as a result of something else
Sanitary: clean, hygienic
Sewer: passage for waste
Vermin: pest
Flux: continuous change
Groundling: (theatre) frequenter of pit
Pit: (theatre) the place in the theatre in front of the stage where the orchestra sits and plays
Gallery: (theatre) highest theatre parts
Accession: (leader) coming to power
Thatch: roof covering with straw
The Puritans: The Puritans were English Protestants in the 16th and 17th centuries who sought to purify the Church of England of Roman Catholic practices, maintaining that the Church of England had not been fully reformed and should become more Protestant.
Tenement: a large building divided into flats, especially in a poor area of a city
Lent: Christian season of fasting
Attire: clothes