helping to bring about a result or contributing to something

योगदान करने वाला

English Usage: Their contributory efforts improved the community's educational standards.

Hindi Usage: उनके योगदान करने वाले प्रयासों ने समुदाय के शैक्षिक मानकों में सुधार किया।

something that contributes or helps to cause something

योगदान देने वाला

English Usage: His contributory role in the project was vital for its success.

Hindi Usage: उसका परियोजना में योगदान देने वाला भाग सफलता के लिए महत्वपूर्ण था।