One Word Substitution

An angler is a person who fishes with a rod and line. An archer uses a bow, a plotter creates maps or plans, and an astrologer studies celestial bodies.

A misogamist is someone who hates the institution of marriage. A misanthropist hates humanity, a chauvinist shows aggressive patriotism or prejudice, and a misogynist hates women.

A betrothed person is one who is formally engaged to be married. Spinsterhood, adulthood, and bachelorhood describe states of being, not the act of being engaged.

Mathematics is the field of study concerned with numbers, quantity, structure, space, and change. Economics, civics, and physics are distinct academic disciplines.

Sororicide is the act of killing one's sister. Suicide is killing oneself, patricide is killing one's father, and homicide is the killing of any human being.

Regicide is the act of killing a king. Fratricide is killing a brother, matricide is killing a mother, and parricide is killing a parent or close relative.

 A furrier is someone who works with furs. A glazier works with glass. A masseur is a man who provides massages for a living.. An astronomer studies the stars.

A cartographer is a person who draws or produces maps. Geologists study the earth, florists work with flowers, and usurers lend money at high interest.

A group of large number of insects is called a 'swarm'.

The part of a military force composed of troops that serve on horseback is called 'cavalry'.

Remedy that can cure all diseases is called 'panacea'.

'Glutton' is a person who eats and drinks excessively or voraciously.

'Scullery' is a room in which dishes and utensils are cleaned.

Ignoramus means an ignorant person.  

Option (2) is correct.