Leader is a Verb. We often use “leader” or “supervisor” or “boss” as a noun.

noun. the head or leader of an organized body of people; the person highest in authority: the chief of police.

If there’s more than one of a thing, it’s a common noun. For example, there are lots of chief operating officers, so chief operating officer is a common noun. There’s only one Latasha Sharp, Chief Operating Officer, so that’s a proper noun.

(Entry 1 of 3) 1 : accorded highest rank or office chief librarian the company’s chief executive. 2 : of greatest importance or influence the chief reasons their chief accomplishment.

Any person or thing that leads or conducts; a guide; a conductor.

Leadership is a Verb, Not a Noun.

The situation will determine the most effective leadership style to use. The three basic leadership styles are directing, participating, and delegating. All leaders let their team members know what is expected of them—what to accomplish and when to complete the task.

1[uncountable] the state or position of being a leader a leadership contest The company thrived under his leadership.

Countable nouns are for things we can count using numbers. They have a singular and a plural form. The singular form can use the determiner “a” or “an”. If you want to ask about the quantity of a countable noun, you ask “How many?” combined with the plural countable noun.

(countable) An animal is any living thing that can move. People are not animals, but are said to be animals, under the scientific definition. Dogs, elephants, and horses are all animals.

In English grammar, countable nouns are individual people, animals, places, things, or ideas which can be counted. Uncountable nouns are not individual objects, so they cannot be counted.

not comfortable. experiencing discomfort. uneasy or anxious.