We should not take away the means by which the elderly people live.
The things we may think do not mean much are what makes life worth living for them.
Such as taking care of the garden or cleaning the entrance hallway.
ご質問ありがとうございます。
"We should not take away the means by which the elderly people live."＝「老人の生きるよすがを私たちは奪ってはいけません。」
"The things we may think do not mean much"＝「私たちがあまり大したことではないと思うもの」
"are what makes life worth living for them. "＝「は彼らにとって生きがいになります。」
"Such as taking care of the garden or cleaning the entrance hallway."＝「たとえば庭の手入れや玄関の掃除など。」
ご参考に。
アメリカ合衆国 
