Opportunistic.
nocturnal or animals of the night
Abearance is an obsolete term for a person's behaviour.
Unconscionable is a term that could be used to describe an action that would go against the conscience of a person, such as a criminal act or a behaviour that would be extremely unfair to another person. It can also be used in a financial context to describe an unfairness in terms of pricing.
Alleged threatening and violent behavior is a term used to describe someone who is being accused of threatening behavior. This essentially means they are not guilty yet.
The word disreputable is an adjective word. Therefore it should be used to describe a situation and a behaviour. For example you would use disreputable to desbribe someone with a bad reputation.
The term to describe a material's ability to be drawn out into a thin wire is ductility.
The term used to describe the right to vote is suffrage.
The term used to describe a moving object is "kinetic."
The term used to describe a group of tortoises is "a creep."
term used to describe extreme, reckless charges
the term to describe that would be: "historical context".
The term used to describe the end of slavery is abolition.