Explanation

A baby duck is called a duckling 

A male duck is called a drake.

Females are called hens.

Explanation

Amnesia means یادداشت کھو جانا

Amnesia refers to the loss of memory caused by brain injury, disease, or psychological trauma.

It can affect the ability to recall past events or form new memories.

Explanation

Eavesdropper means وہ شخص جو چھپ کر دوسروں کی باتوں کو سنتا ہو

Explanation

Brittle. adjective. a brittle substance or object is hard and can easily break into pieces.

Explanation

Opaque materials do not allow light to pass through them, unlike dull, obscure, or dark.

It may still permit some degree of light penetration.

Explanation

 A spinster is a traditional term for a woman who has remained unmarried, especially past the usual age for marriage.

Explanation

A person who wastes money is called a spendthrift, prodigal, waster, or wastrel.

Explanation

Benefactor means one who gives money or helps another person or cause.

Benefactor means محسن, مدد گار, مالی تعاون کرنے والا

Explanation

Explanation

A volunteer is a person who freely offers to take part in an enterprise or undertake a task, often without payment.

A volunteer, by definition, works without this financial incentive.