What is the best noun to describe people who are influenced by something in both good and bad ways unwillingly?

I think the right word as I heard so many times can be manipulate as you can see in LongMan

manipulate (v) to make someone think and behave exactly as you want them to, by skillfully deceiving or influencing them

Example:

You have the constant feeling you are being manipulated.

[edited] You can see more examples here

1. What do you call someone who is influenced by some external factors unwillingly?

2. How What would you call the people who are affected by technologies without voluntarily choosing so?

3. I am looking for words that describe people who are affected without making a choice and not necessarily "gullible".

You have described three distinct types of people.

1. an unwilling victim/volunteer. Once you have established a context, you may use the substantivised adjective "the unwilling": They know it is happening but cannot avoid it - they continue their objections.

2. an unwitting victim/volunteer. Once you have established a context, you may use the substantivised adjective "the unwitting": They do not know it is happening but comply.

3. a reluctant volunteer. Once you have established a context, you may use the substantivised adjective "the reluctant": They know it is happening but cannot avoid it - they accept the situation.

Impressionable

Vocabulary.com

Someone who is impressionable is easily influenced. An impressionable person can be greatly changed by his or her experiences — not always in a good way.

Collins

Someone who is impressionable, usually a young person, is not very critical and is therefore easy to influence.