Most charities are considered worthy, as they donate their time and contributions they receive to helping people in need.
Some notable charities that help people include:
Heifer International
March of Dimes
Relay for Life
Toys for Tots
UNICEF
The prepositional phrase is with fundraising events.
Your sentence, "Marcy plans to select a worthy charity and offer to help with fund- raising events" has two prepositional phrases, I believe. First, "to select a worthy charity" and second "to help with fund- raising events". However, the verb phrase "offer" is incorrect; it does not match the verb tense "plans". It is also unclear who is doing the offer--it should refer back to "a worthy charity" with the way the sentence is worded, but I think you want it to refer to Marcy. For example: Marcy plans to select a worthy charity and she has offered to help with fund- raising events. Or and she offers...
Someone donates a car by finding a worthy charity and cutting out the middlemen, then do the delivery themselves and giving the title and keys to the car to charity.
You can be a more active participant in the Church community, by either volunteering a worthy charity or par-taking in a worthy cause such as protesting abortion, etc.
One can donate one's car to charity by finding a worthy charity, know the status of your recipient and transfer the vehicle with care. One can ask information regarding this subjects at different charities.
Essentially, Carnegie is decrying those who make a lifestyle out of receiving charity for no further purpose, and those who enable them to continue doing so. The "worthy" man is one who will use charity to rise above it, and the "unworthy" man is one who will take and continue to take, with no thought of personal improvement.
Before donating ones car to charity it is important to first find a charity that is worthy, and to know the status of the charity. Once a decision is made, one can simply drop the vehicle off at the charity so there is no fee charged to them for the pick up of the vehicle.
The prepositional phrase is "with fundraising events" and the object is events.
Donated cars in the US most often go to a worthy charity such as Free Charity cars which is a non profit organization that donates cars to struggling families.
"with fund-raising events."
to help with fund-raising events
He/she may volunteer to participate in important issues, such as defend the Right-to-Life, or help out at a worthy charity, etc.