Insurance's like marine insurance,fire insurance and life insurance are the general insurance as the standard principal of general insurance is applicable to them, but fidelity insurance is not a type of general insurance as it is the insurance taken out by an employer against losses incurred through dishonesty by employees ; which doesn't match the standard principal of general insurance.

Introduction:
In the field of insurance, there are various types of policies available to cater to different risks and needs of individuals and businesses. General insurance, also known as non-life insurance, covers a wide range of risks apart from life insurance. It provides coverage for property, liability, and other miscellaneous risks. However, out of the options provided, one is not a type of general insurance.

1. Marine Insurance:
Marine insurance is a type of general insurance that provides coverage for marine-related risks. It includes coverage for the cargo, vessels, and other marine assets. This insurance protects against risks such as damage or loss of goods in transit, collisions, piracy, and natural disasters. It is essential for businesses involved in international trade and shipping to safeguard their assets and mitigate potential financial losses.

2. Fidelity Insurance:
Fidelity insurance, also known as crime insurance or employee dishonesty insurance, is another type of general insurance. It provides coverage against financial losses caused by fraudulent acts committed by employees, such as theft, embezzlement, forgery, or fraudulent fund transfers. This insurance is crucial for businesses that handle significant amounts of cash or have employees with access to financial resources.

3. Fire Insurance:
Fire insurance is a type of general insurance that provides coverage against loss or damage caused by fire-related incidents. It protects the insured property, including buildings, contents, and other assets, from fire accidents. Fire insurance policies also cover damages caused by smoke, water used to extinguish the fire, and other associated perils like explosions. This insurance is essential for homeowners, businesses, and property owners to safeguard their assets against fire risks.

4. Life Insurance:
Unlike the other options mentioned, life insurance is not a type of general insurance. Life insurance is a separate category that provides financial protection to an individual's life. It offers a death benefit to the beneficiary in case of the insured's demise during the policy term. Life insurance policies also provide additional benefits like savings and investment components. This insurance is crucial for individuals looking to secure the financial future of their loved ones and meet long-term financial goals.

Conclusion:
In conclusion, out of the options provided, life insurance is not a type of general insurance. Marine insurance, fidelity insurance, and fire insurance are all examples of general insurance policies that provide coverage for specific risks and needs. It is important to understand the different types of insurance available to make informed decisions and adequately protect against potential risks.