My partial for creatinga list of roles by account that a user has.

TYPO3 FLOW account roles

{namespace ro=Vendor\Package\ViewHelpers}

<section id="tab-user-2" class="tabPane">
	<div class="fieldContainer">
		<div class="accounts">
	        <f:for each="{user.accounts}" as="account">
	            <div class="account">
	            	<p class="fieldRowLabel">{account.accountIdentifier}</p>
	            	<div class="rolesContainer">
			            <table class="roles" cellspacing="0">
			            	<tbody>
			       				 <f:for each="{roles}" as="role">
				            		<tr>
				            			<td class="labelCheckbox">
							                <span class="checkboxBox checkboxBox-icons">
												<f:if condition="{ro:account.hasRole(account: account, role: role)}">
													<f:then>
														<f:form.checkbox property="account.roles" class="hiddenInput formField" checked="1" value="{role -> f:format.identifier()}" />
														
														<span class="checkbox selected"><span>&nbsp;</span></span>
											       </f:then>
													
													<f:else>
														<f:form.checkbox property="accounts.roles" class="hiddenInput formField" value="{role -> f:format.identifier()}" />
														
														<span class="checkbox"><span>&nbsp;</span></span>
											        </f:else>
												</f:if>
											</span><!-- /checkboxBox -->
				            			</td>
				            			<td class="label">{role.name}</td>
				            		</tr>
			        			</f:for>
			            	</tbody>
			            </table>
	            	</div>
	            </div>
	        </f:for>
		</div>
	</div><!-- /fieldContainer -->
</section><!-- /tab-user-2 -->