You must carry out the same positive vibe or leadership that your Team Leaders teached you, also look up to other team's Team Leaders, try make friends with them in A2A, another qualities of a Team Leader is having a goal in SFI, do not let any negativity impact you to give up, keep up to date with your team mates regularly, take the first action step to at least qualify as a Bronze Team Leader, so your team mates will also carry out this duplication, garuantees your success. :)