By 1900, she had become an important market women leader and trader and in 1910, was given a chieftaincy title by Oba Eshugbayi Eleko.
During her reign, LMWA protested against imposed taxation and price controls of produce both incidents she believed will impact negatively on the livelihood of women.
[6] In the same year, due to her leadership of the protest, she was appointed as a women's representative in the Ilu Committee, an advisory group organized by the Oba of Lagos.
However, on taxation of women, the colonial government did not budge but responded by increasing the taxable income to those earning more than 200 pounds.
In 1939, Pelewura became an executive member of the Nigerian Union of Young Democrats, a youthful party that was closely aligned with NNDP.
Due to widespread opposition and non adherence to the policy, the government made plans to control the sale of food produce through multinationals.